South Australia in September 2013: Temperature records smashed across the state

  • Warmest September on record for South Australia, by a large margin.
  • Warmest start to spring in early September for many sites.
  • Record September day-time and night-time temperatures at many locations.
  • Average to below average rainfall across most of the state

Temperature

South Australia had a record warm month. The mean temperature (the average of the maximum and minimum temperatures) for South Australia as a whole in September 2013 was 4.3 °C above the long-term average and the highest anomaly for any month on record. Reflecting the warm conditions for the state as a whole, many individual sites around the state had their highest September mean temperature on record. The previous warmest September was observed in 2000, when mean the South Australian mean temperature was 2.5 °C above normal. By contrast, September 2012 was 1.4 °C above average. Mean temperatures across the State ranged from 12.9°C at Mount Lofty to 24.1°C at Oodnadatta Airport in the Far North.

Maximum temperature

Mean maximum temperatures over South Australia were highest on record across the state this September, with a state wide average 5.4 °C above normal for daytime temperatures. Several locations across northern parts of the agricultural districts and into the pastoral districts were in excess of 6.0°C above the long term September average. Southern parts of the Eyre and Yorke Peninsulas, central districts and the Murray Valley observed daytime temperature average between 2 to 5 °C above normal.

The warmest period for much of the state occurred at the beginning of the month in the northerly air stream ahead of the strong cold front. Much of the State observed maximum temperatures well above average with several locations observing highest September maximums so early in the month. The warmest day for any location was recorded was at Oodnadatta Airport, reaching 39.6°C on the 30th, the warmest September day at this location in 6 years.

Earlier in the month, on the 10th, Mount Lofty recorded the coldest day for any location when its maximum temperature reached just 9.2°C. 

Average daily maximum temperatures ranged from 16.5 °C at Mount Lofty to 32.9 °C at Oodnadatta Airport in the Northeast district, resulting the warmest September at this site since 2003.

Arkaroola had its highest September temperature on record while many other sites had their highest September mean daily maximum temperature on record, or their highest September mean daily maximum temperature for at least 20 years.

Minimum temperature

Mean minimum temperatures over South Australia were very much above average across the entire State as a whole this September. Nights, across the state as a whole, were 3.2 °C above the normal resulting in the highest on record.

The warmest nights for many locations occurred at the start of the month in the warm north-westerly air-stream ahead of an approaching weak cold frontal system. Though, a warm spell at the end of the month saw Tarcoola Aero report the warmest night for any location on the 30th with a minimum of 24.5°C, while both Woomera and Whyalla observed a record warmest September overnight minimum with 23.2 °C and 22.2 °C respectively. Some sites had their warmest September night (highest daily minimum temperature) on record, on either the 4th or 30th.

The warmest nights on average were observed at Oodnadatta with 15.4 °C, while the coolest nights on average were observed at Yongala with 5.2°C.

The coldest night for any location around the State was observed at Yongala where the temperature fell to -1.0 °C on the 27th.

Many sites had their highest September mean daily minimum temperature on record.

Rainfall

Most locations in South Australia received average to below average rainfall throughout September, apart from far western parts of the State and the southern tip of Eyre Peninsula where rainfall was above average,. The wettest period for much of the State occurred between the 13th and 20th as a deep low pressure system that tracked eastwards across southern ocean waters extended a series of troughs across southern parts of the State. The passage of a low pressure trough on the 13th brought rainfall totals in excess of 20 mm for central and southern districts. Some sites had their highest September daily rainfall on record. Despite this, most of South Australia remained relatively dry throughout the month.

Pastoral Districts

Rainfall totals over the pastoral districts were mostly below average, tending to very much below average across Northwest and northern parts of the pastorals. Rainfall totals were typically between 1 and 5mm, though several locations across northern pastoral areas reported no rainfall through the month. 

The wettest period for the pastoral districts was on the 13th as a cloud band and trough of low pressure which produced showers and isolated thunderstorms. The wettest overall throughout the pastorals was at Yardea in the Northwest district with 20.2 mm for the month.

Agricultural Districts

Average to below average rainfall was observed across the agricultural districts with some parts in the western agricultural areas seeing very much below average rainfall for the month. 
Totals were in the range of 25 to 50 mm for most locations, but up to 100mm across the Mount Lofty Ranges and the lower southeast districts of the State. The wettest overall for the month in the agricultural districts was Uraidla Forest in the Mount Lofty Ranges with 122.6 mm. 

Some sites in the north of the state had their lowest total September rainfall on record. Some sites had their lowest total September rainfall for at least 20 years.

Further information

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Extremes in September 2013
Hottest day 39.6 °C at Oodnadatta Airport on the 30th
Warmest days on average 32.9 °C at Oodnadatta Airport
Coolest days on average 16.5 °C at Mount Lofty
Coldest day 9.2 °C at Mount Lofty on the 10th
Coldest night -1.0 °C at Yongala on the 27th
Coolest nights on average 5.2 °C at Yongala
Warmest nights on average 15.4 °C at Oodnadatta Airport
Warmest night 24.5 °C at Tarcoola Aero on the 30th
Warmest on average overall 24.1 °C at Oodnadatta Airport
Coolest on average overall 12.9 °C at Mount Lofty
Wettest overall 122.6 mm at Uraidla
Driest overall 0 mm at Coober Pedy Airport
0 mm at Ernabella (Pukatja)
0 mm at Marla Police Station
0 mm at Marree Aero
0 mm at Marree Comparison
0 mm at Moomba Airport
0 mm at Pedler Ck at Moana (Nrm)
Wettest day 51.2 mm at Penola Post Office on the 17th
Highest wind gust 109 km/h at Neptune Island on the 25th
109 km/h at Neptune Island on the 26th

Maps
ObservedAnomalyDecile rank
Total
rainfall
Map of Rainfall totals Map of Percentage of normal rainfall Map of Rainfall deciles
Mean
daily
maximum
temperatures
Map of Mean maximum temperature Map of Anomaly in mean maximum temperature Map of Decile rank of mean maximum temperature
Mean
daily
minimum
temperatures
Map of Mean minimum temperature Map of Anomaly in mean minimum temperature Map of Decile rank of mean minimum temperature

Click on a map to show it full size in a pop-up window


Record highest September daily rainfall
Highest daily rainfall
in September 2013 (mm)
Previous wettest
for September
Years of
record
Penola Post Office 51.2 on the 17th 45.0 on the 28th in 1979 130
Alawoona 33.0 on the 13th 31.0 on the 2nd in 1997 93
Price 37.0 on the 13th 29.4 on the 2nd in 1997 70



Record lowest total September rainfall
Total rainfall
for September 2013 (mm)
Previous driest
for September
Years of
record
Average for
September
Marree Comparison 0.0 = 0.0 in 2008 129 10.5
Mount Bryan 3.4 7.6 in 1918 114 51.1
Marla Police Station 0.0 = 0.0 in 2008 28 10.2

Lowest total September rainfall for at least 20 years
Total rainfall
for September 2013 (mm)
Most recent September
at least this dry
Years since
drier
Average for
September
Mount Wedge 3.0 1.8 in 1981 32 38.3
Tintinara 16.5 14.6 in 1987* 22 50.4

* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported.




Record highest September temperature
Highest temperature
in September 2013 (°C)
Previous warmest
for September
Years of
record
Average for
September
Arkaroola 37.5 on the 7th = 37.5 on the 22nd in 2003 36 23.3



Record highest September mean daily maximum temperature
Mean daily maximum
temperature
for September 2013 (°C)
Previous warmest
for September
Years of
record
Average for
September
Mount Barker 19.7 19.2 in 2006 111 16.5
Yongala 22.2 21.4 in 2006 87 17.9
Kyancutta 25.8 24.8 in 1944 83 21.8
Marree Comparison 31.7 29.3 in 1980 73 25.7
Ceduna AMO 26.2 25.1 in 1981 72 21.4
Mount Gambier Aero 18.2 18.0 in 1961 71 15.8
Woomera Aerodrome 28.3 26.1 in 1980 64 22.6
Oodnadatta Airport 32.9 30.5 in 2000 63 26.6
Adelaide Airport 21.1 20.8 in 2007 58 18.2
Parafield Airport 22.3 22.0 in 1999 56 18.9
Warooka 20.2 19.6 in 2007 54 17.8
Neptune Island 17.9 17.6 in 2006 51 16.2
Eudunda 20.5 20.4 in 2006 48 17.1
Meningie 21.0 20.3 in 1981 47 18.1
Murray Bridge Comparison 23.8 22.5 in 2007 47 19.9
Cape Willoughby 18.3 18.0 in 1980 46 15.9
Andamooka 29.8 27.8 in 1980 43 24.6
Edinburgh RAAF 21.9 21.8 in 2006 40 18.9
Hawker 26.7 24.5 in 2006 39 21.7
Adelaide (Kent Town) 22.3 21.1 in 2006 36 19.0
Arkaroola 29.3 26.7 in 2000 35 23.3
Maitland 20.8 20.7 in 2006 32 18.0
Leigh Creek Airport 28.8 25.8 in 2006 29 23.2
Loxton Research Centre 24.6 23.0 in 2006 29 20.7
Whyalla Aero 26.0 24.9 in 1988 28 21.6
Coonawarra 18.9 18.3 in 2011 27 16.8
Marla Police Station 32.1 30.2 in 2000 27 26.8
Nullarbor 25.2 24.6 in 1988 26 22.4
Cape Jaffa (The Limestone) 18.0 17.9 in 2001 21 16.1

Highest September mean daily maximum temperature for at least 20 years
Mean daily maximum
temperature
for September 2013 (°C)
Most recent September
at least this warm
Years since
warmer
Average for
September
Robe Comparison 17.8 18.0 in 1886 127 15.7
Lameroo Comparison 22.4 22.9 in 1944 69 19.4
Streaky Bay 23.8 23.9 in 1961* 51 20.2
Kimba 23.5 23.7 in 1988 25 20.2
Cleve 23.2 23.4 in 1988* 24 19.4

* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported.




Record highest September daily minimum temperature
Highest daily minimum
temperature
in September 2013 (°C)
Previous warmest
for September
Years of
record
Average for
September
Woomera Aerodrome 23.2 on the 30th 22.8 on the 30th in 2001 65 9.4
Cleve 22.5 on the 4th 21.4 on the 17th in 1981 56 8.5
Elliston 20.5 on the 4th 19.7 on the 28th in 1999 52 9.5
Whyalla Aero 22.2 on the 30th 21.7 on the 15th in 2002 29 8.1
Nullarbor 20.2 on the 4th 19.3 on the 22nd in 2012 26 7.9
Cape Jaffa (The Limestone) 15.3 on the 4th 15.1 on the 30th in 2001 22 8.5



Record highest September mean daily minimum temperature
Mean daily minimum
temperature
for September 2013 (°C)
Previous warmest
for September
Years of
record
Average for
September
Robe Comparison 11.2 = 11.2 in 2000 129 9.2
Mount Barker 9.6 7.9 in 2001 113 5.8
Lameroo Comparison 8.9 7.8 in 1981 98 6.0
Streaky Bay 12.8 11.7 in 1988 86 9.9
Cleve 12.0 10.5 in 1988 72 8.5
Mount Gambier Aero 8.5 8.4 in 1980 71 6.3
Woomera Aerodrome 12.7 11.5 in 1999 64 9.4
Oodnadatta Airport 15.4 13.9 in 1944 63 11.4
Keith 9.4 8.7 in 2001 59 7.0
Adelaide Airport 11.7 10.4 in 2001 58 8.9
Parafield Airport 11.1 10.4 in 1944 56 8.2
Warooka 11.2 9.9 in 2001 54 8.6
Elliston 12.0 11.5 in 2000 51 9.5
Neptune Island 13.9 12.8 in 2001 51 11.6
Rosedale (Turretfield Research Centre) 9.3 8.5 in 1979 51 6.6
Eudunda 9.2 7.9 in 2001 48 6.3
Meningie 10.9 9.9 in 2000 47 8.3
Murray Bridge Comparison 9.6 8.5 in 2000 47 7.2
Cape Willoughby 12.4 11.8 in 2001 46 10.3
Kimba 9.8 9.1 in 2001 44 7.0
Andamooka 13.5 12.4 in 1999 43 10.4
Edinburgh RAAF 10.9 9.5 in 1979 40 8.1
Adelaide (Kent Town) 12.7 10.9 in 2001 36 9.7
Arkaroola 10.4 10.1 in 1998 34 8.1
Maitland 11.4 10.1 in 2001 33 8.4
Leigh Creek Airport 12.2 11.6 in 1999 29 9.3
Loxton Research Centre 8.8 8.1 in 2000 29 6.3
Whyalla Aero 10.1 9.8 in 1997 28 8.1
Coonawarra 8.6 7.9 in 2001 27 6.4
Nullarbor 10.1 9.7 in 2001 25 7.9
Cape Jaffa (The Limestone) 10.4 9.8 in 2000 21 8.5
Coulta (Coles Point) 11.1 10.4 in 2000 21 8.8
North Shields (Port Lincoln AWS) 10.1 9.5 in 1997 21 7.9



Record highest September mean temperature
Mean daily
temperature
for September 2013 (°C)
Previous warmest
for September
Years of
record
Average for
September
Robe Comparison 14.5 14.0 in 2001 129 12.5
Mount Barker 14.5 13.2 in 2001 111 11.1
Lameroo Comparison 15.5 14.8 in 1944 98 12.7
Streaky Bay 18.2 17.2 in 1961 86 15.0
Yongala 13.7 = 13.7 in 1944 86 11.0
Kyancutta 17.1 16.5 in 1999 83 14.1
Marree Comparison 21.8 20.7 in 2000 73 17.7
Ceduna AMO 18.1 17.3 in 1981 72 14.6
Cleve 17.6 17.0 in 1988 72 14.0
Mount Gambier Aero 13.3 12.7 in 2001 71 11.1
Woomera Aerodrome 20.3 18.3 in 2000 64 16.0
Oodnadatta Airport 24.1 22.1 in 2000 63 19.0
Keith 15.0 14.4 in 2001 59 12.8
Adelaide Airport 16.3 15.4 in 2007 58 13.5
Parafield Airport 16.7 15.9 in 1944 56 13.5
Warooka 15.7 14.6 in 1988 54 13.2
Elliston 16.9 16.1 in 1999 51 14.3
Neptune Island 15.9 15.1 in 2007 51 13.9
Rosedale (Turretfield Research Centre) 15.3 14.2 in 1999 51 12.5
Eudunda 14.7 13.8 in 2006 48 11.7
Meningie 16.0 14.9 in 1981 47 13.2
Murray Bridge Comparison 16.6 15.1 in 1999 47 13.5
Cape Willoughby 15.4 14.7 in 2001 46 13.1
Kimba 16.7 16.2 in 1988 44 13.6
Andamooka 21.5 19.8 in 2000 43 17.5
Edinburgh RAAF 16.4 15.2 in 2007 40 13.5
Hawker 17.9 16.9 in 1999 39 14.2
Adelaide (Kent Town) 17.5 15.8 in 2007 36 14.4
Maitland 16.0 15.2 in 2006 32 13.2
Leigh Creek Airport 20.5 18.6 in 2000 29 16.3
Loxton Research Centre 16.7 14.9 in 1999 29 13.5
Whyalla Aero 18.1 17.1 in 1988 28 14.9
Coonawarra 13.7 12.8 in 2001 27 11.6
Marla Police Station 22.2 20.9 in 2000 27 18.8
Nullarbor 17.7 16.7 in 2001 25 15.2
Cape Jaffa (The Limestone) 14.2 13.5 in 2001 21 12.3
Coulta (Coles Point) 15.8 15.2 in 1999 21 13.6
North Shields (Port Lincoln AWS) 15.2 14.5 in 2006 21 13.3
Edithburgh 14.9 14.3 in 1999 20 13.1



Summary statistics for September 2013
Maximum temperatures
for September
(°C)
Minimum temperatures
for September
(°C)
Rainfall
for September
(millimetres)
Mean for
September
2013
Diff
from
average
Highest for
September
2013
Mean for
September
2013
Diff
from
average
Lowest for
September
2013
Total for
September
2013
Average
for
September
Rank of
September
2013
Fraction of
September
average
Northwest (district 16)
Andamooka 29.8 +5.2 35.3 25th 13.5 +3.1 8.4 19th 0.3 12.6 v low 2%
Coober Pedy Airport 30.8   38.1 30th 14.2   7.8 17th 0
Ernabella (Pukatja) 30.4   34.9 22nd 12.2   3.2 19th 0
Marla Police Station 32.1 +5.3 37.2 22nd 12.6 +1.9 4.5 19th 0 10.2 lowest 0%
Roxby Downs (Olympic Dam Aerodrome) 30.1   36.7 30th 10.7   1.8 19th 1.2
Tarcoola Aero 29.8   37.7 4th 11.1   3.7 19th 3.4
Woomera Aerodrome 28.3 +5.7 35.6 4th 12.7 +3.3 6.6 19th 4.6 14.5 average 32%
Far North (district 17)
Arkaroola 29.3 +6.0 37.5 7th 10.4 +2.3 4.0 19th 1.9 15.1 low 13%
Leigh Creek Airport 28.8 +5.6 34.7 23rd 12.2 +2.9 5.6 19th 0.2 17.7 v low 1%
Marree Aero 31.3   37.1 23rd 12.7   6.4 19th 0
Marree Comparison 31.7 +6.0 38.1 24th 12.5 +2.7 6.0 20th 0 10.5 lowest 0%
Oodnadatta Airport 32.9 +6.3 39.6 30th 15.4 +4.0 7.2 19th 0.2 9.8 low 2%
Western Agricultural (district 18)
Ceduna AMO 26.2 +4.8 35.9 29th 10.1 +2.3 2.4 11th 5.4 27.4 v low 20%
Cleve 23.2 +3.8 30.3 3rd 12.0 +3.5 6.1 19th 42.1 42.4 average 99%
Cleve Aerodrome 22.9   30.2 4th 11.3   4.9 11th 39.0 36.6 average 107%
Coulta (Coles Point) 20.4 +2.1 28.0 29th 11.1 +2.3 5.8 27th 22.4 34.0 low 66%
Cummins Aero 20.9   29.2 29th 8.9   3.1 11th 55.0
Elliston 21.9 +2.7 30.8 29th 12.0 +2.5 4.7 11th 25.6 39.6 average 65%
Kimba 23.5 +3.3 30.6 3rd 9.8 +2.8 3.3 19th 30.6 37.1 average 82%
Kyancutta 25.8 +4.0 35.5 4th 8.8 +2.5 2.4 11th 18.3 31.4 average 58%
Minnipa Pirsa 25.1   34.7 4th 10.4   4.8 19th 17.2
Neptune Island 17.9 +1.7 21.5 4th 13.9 +2.3 11.0 26th 57.2 46.1 high 124%
North Shields (Port Lincoln AWS) 20.4 +1.8 29.6 29th 10.1 +2.2 6.1 29th 60.2 41.0 high 147%
Nullarbor 25.2 +2.8 36.6 29th 10.1 +2.2 4.0 28th 15.6 17.7 average 88%
Port Augusta Aero 28.4   36.9 4th 9.6   1.4 19th 3.2
Streaky Bay 23.8 +3.6 32.6 29th 12.8 +2.9 7.5 11th 20.8 35.3 low 59%
Whyalla Aero 26.0 +4.4 34.9 4th 10.1 +2.0 3.3 19th 4.8 26.4 low 18%
Wudinna Aero 25.8   35.7 4th 9.2   2.2 11th 17.4
Upper North (district 19)
Hawker 26.7 +5.0 33.0 23rd 8.7 +1.9 0.0 19th 10.2 27.6 low 37%
Yongala 22.2 +4.3 29.0 4th 5.2 +1.2 -1.0 27th 12.0 38.0 low 32%
Northeast (district 20)
Gluepot Reserve (Gluepot) 26.2   33.7 23rd 8.3   0.0 27th 8.7
Yunta Airstrip 25.9   32.7 4th 8.9   0.9 19th 3.0
Lower North (district 21)
Clare High School 20.3   26.1 23rd 8.2   1.8 19th 44.8 58.4 average 77%
Port Pirie Aerodrome 25.3   31.2 3rd 9.8   3.0 11th 10.0
Snowtown (Rayville Park) 22.3   28.9 30th 7.5   1.2 27th 37.4
Yorke Peninsula (district 22A)
Edithburgh 19.7 +2.0 26.3 29th 10.1 +1.6 4.1 27th 63.0 43.2 average 146%
Kadina AWS 22.0   28.3 2nd 8.3   0.9 19th 38.4
Maitland 20.8 +2.8 27.5 2nd 11.4 +3.0 6.9 19th 53.2 49.7 average 107%
Minlaton Aero 20.9   28.5 29th 10.6   5.5 27th 18.0
Stenhouse Bay 19.3   25.7 4th 12.4   7.9 27th 40.2
Warooka 20.2 +2.4 27.8 3rd 11.2 +2.6 6.6 27th 45.2 46.0 average 98%
Kangaroo Island (district 22B)
Cape Borda 17.6   22.7 3rd 11.9   9.0 10th 69.8
Cape Willoughby 18.3 +2.4 23.6 22nd 12.4 +2.1 8.7 19th 63.6 56.2 high 113%
Kingscote Aero 19.7   24.5 29th 9.7   5.4 7th 57.0 45.8 high 124%
Parndana Cfs AWS 18.3   24.1 4th 9.5   4.9 11th 87.6
Adelaide Plains (district 23A)
Adelaide (Kent Town) 22.3 +3.3 29.1 3rd 12.7 +3.0 7.9 7th 42.6 59.2 low 72%
Adelaide Airport 21.1 +2.9 28.1 3rd 11.7 +2.8 6.5 7th 39.0 45.5 average 86%
Edinburgh RAAF 21.9 +3.0 28.6 23rd 10.9 +2.8 5.6 19th 41.2 47.6 average 87%
Parafield Airport 22.3 +3.4 28.6 29th 11.1 +2.9 5.2 7th 38.0 44.0 average 86%
Roseworthy AWS 22.4   29.6 30th 9.3   4.2 19th 30.2
County Light (district 23B)
Nuriootpa Viticultural 20.2   27.2 4th 9.0   3.3 19th 58.2
Rosedale (Turretfield Research Centre) 21.4 +3.1 27.6 23rd 9.3 +2.7 3.3 19th 44.7 53.3 average 84%
Mount Lofty Ranges (district 23C)
Hindmarsh Island AWS 21.3   28.4 3rd 11.4   6.4 27th 38.4
Kuitpo Forest Reserve 19.0   26.5 3rd 10.7   7.0 19th 73.0
Mount Barker 19.7 +3.2 26.3 4th 9.6 +3.8 5.4 19th 81.8 85.4 average 96%
Mount Crawford (Mt Crawford AWS) 17.9   24.4 4th 9.9   5.0 19th 73.8 73.1 average 101%
Mount Lofty 16.5   23.2 4th 9.3   4.7 26th 104.0
Noarlunga 21.2   28.9 3rd 13.0   9.0 26th 48.8
Parawa (Second Valley Forest AWS) 17.1   24.1 3rd 10.4   6.8 26th 80.6 84.3 average 96%
Victor Harbor (Encounter Bay) 20.8   27.2 4th 9.6   3.5 27th 62.8
Upper Murray Valley (district 24A)
Loxton Research Centre 24.6 +3.9 31.4 9th 8.8 +2.5 3.2 27th 41.2 26.6 high 155%
Renmark Aero 25.8   34.2 23rd 9.3   1.2 27th 17.2
Lower Murray Valley (district 24B)
Eudunda 20.5 +3.4 26.6 4th 9.2 +2.9 3.9 19th 61.2 48.7 high 126%
Meningie 21.0 +2.9 29.2 3rd 10.9 +2.6 5.6 12th 59.0 48.2 high 122%
Murray Bridge (Pallamana Aerodrome) 23.1   30.3 30th 7.6   1.0 12th 26.2
Murray Bridge Comparison 23.8 +3.9 31.3 1st 9.6 +2.4 4.8 19th 28.7 36.6 average 78%
Strathalbyn Racecourse 21.3   27.4 3rd 9.8   4.9 27th 42.8
Murray Mallee (district 25A)
Karoonda 23.3   31.0 1st 8.6   3.0 12th 31.8 35.2 average 90%
Upper Southeast (district 25B)
Keith 20.8 +2.2 28.5 1st 9.4 +2.4 4.0 12th 35.3 50.5 low 70%
Keith (Munkora) 20.1   26.3 23rd 7.9   1.8 12th 24.0
Lameroo (Austin Plains) 22.0   30.3 23rd 7.4   2.1 12th 41.0
Lameroo Comparison 22.4 +3.0 31.1 23rd 8.9 +2.9 4.9 12th 39.0 41.6 average 94%
Lower Southeast (district 26)
Cape Jaffa (The Limestone) 18.0 +1.9 24.9 3rd 10.4 +1.9 5.7 12th 48.0 47.9 average 100%
Coonawarra 18.9 +2.1 25.2 3rd 8.6 +2.2 3.0 12th 51.4 62.6 average 82%
Mount Gambier Aero 18.2 +2.4 25.2 3rd 8.5 +2.2 4.5 8th 57.2 72.4 average 79%
Naracoorte Aerodrome 19.2   25.6 23rd 9.0   3.1 12th 39.2
Padthaway South 19.5   27.0 23rd 9.2   2.6 12th 51.6
Robe Airfield 18.7   25.9 3rd 9.8   3.4 12th 50.4
Robe Comparison 17.8 +2.1 21.9 23rd 11.2 +2.0 7.7 2nd 57.8 59.0 average 98%

Notes

A Monthly Climate Summary is prepared to list the main features of the weather in South Australia using the most timely and accurate information available on the date of publication; it will generally not be updated. Later information, including data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review, usually published in the fourth week of the month.

This statement has been prepared based on information available at 9 am on Tuesday 1 October 2013. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Averages are long-term means based on observations from all available years of record, which vary widely from site to site. They are not shown for sites with less than 20 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average rain.

The Rank indicates how rainfall this time compares with the climate record for the site, based on the decile ranking (very low rainfall is in decile 1, low in decile 2 or 3, average in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a percentage of the long-term mean.

The ACORN-SAT dataset is being used for temperature area averages from December 2012 onwards. The major change from earlier datasets is that the ACORN-SAT dataset commences in 1910, rather than 1950, and hence rankings are calculated using a larger set of years.

Further information

Media
(03) 9669 4057
Enquiries